an open area; a market and place where people could meet and debate issues

C. Military

D. the city-states had begun to depend on armies of ordinary citizens called hoplites

What occurred in 700 B.C.?
A. the city-states had begun to not rely on armies of ordinary citizens called hoplites
B. The city-states had begun to depend on armies of citizens called trooplites
C. The city-states had begun to depend on armies of ordinary non-citizens called hoplites
D. The city-states had begun to depend on armies of ordinary citizens called hoplites